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https://issues.apache.org/jira/browse/HBASE-4456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012099#comment-14012099
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Hadoop QA commented on HBASE-4456:
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{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12647281/HBASE-4456.patch
against trunk revision .
ATTACHMENT ID: 12647281
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+0 tests included{color}. The patch appears to be a
documentation patch that doesn't require tests.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:green}+1 site{color}. The mvn site goal succeeds with this patch.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/9633//console
This message is automatically generated.
> [doc] Add a section about RS failover
> -------------------------------------
>
> Key: HBASE-4456
> URL: https://issues.apache.org/jira/browse/HBASE-4456
> Project: HBase
> Issue Type: Task
> Components: documentation
> Reporter: Jean-Daniel Cryans
> Assignee: Misty Stanley-Jones
> Attachments: HBASE-4456.patch
>
>
> The following questions were asked on IRC and I couldn't find a good source
> of info in the online book (so I had to answer them, sad I know):
> bq. when a region server goes down, 1) do any queries get affected which are
> using that region server, if they do what happens to the transactions 2) how
> long does it take to switch over to another region server?
> Brief answers:
> To Q1:
> The queries get retried (I'm not sure if we have a chapter that describes how
> that works, might be worth adding however bad it currently is).
> To Q2:
> ZK session timeout + split time + assignment/replay time.
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